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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Melting point: In a GLP study conducted according to ASTM test method D97-87, the pour point of EC# 457-320-2 was determined to be 42oC.

Boiling point: In a GLP study conducted according to OECD guideline 103, the boiling temperature of EC# 434-650-5 was not determinable as the test material decomposed at temperatures above 125oC without boiling.

Density: There are 2 reliable studies available on EC:434 -650 -5 - a structurally and chemically similar substance that is considered suitable for read-across. One study (2000) was conducted in compliance with EEC Methods A3 and OECD guidelines for testing of chemicals (OECD 109) and to GLP with a relative density of 1.07 A second study (1999) was conducted according to ASTM Standard Method D4052-96, the density of EC# 434-650-5 was 1.0462 g/ml at 15.56oC.

Vapour pressure: A key GLP study is on EC:434 -650 -5 conducted according to OECD 104 (2000) showed a mean vapour pressure of 0.0000034 Pa via vapour pressure balance method. This result can be read-across to EC: 457 -320 -2.

Partition coefficient: In a GLP study conducted according to OECD guideline 107, the octanol:water partition coefficient (log10Pow) for EC# 457-320-2 was greater than 5.1 at 20oC.

Water solubility: EC# 457 -320 -2 was found to have a water solubility study of less than 0.31 mg/L at 20 degrees C in accordance to OECD 105 and to GLP.

Surface tension: Determined using the OECD harmonised ring method, the surface tension of a 90% saturated aqueous solution of EC 434 -650 -5 was 72.7 mN/m at 19.5oC.

Auto-flammability: In a GLP study conducted according to BS 4056, the auto-ignition temperature of EC# 457-320-2 was 298oC.

Flammability: In a GLP study, EC# 434-650-5 was tested for flammability according to the EU Method A.10. It failed to ignite under the conditions of the test, and so is considered not highly flammable.

Additional information